225845453824 has 33 divisors (see below), whose sum is σ = 451500757491. Its totient is φ = 112915123200.

The previous prime is 225845453819. The next prime is 225845453831. The reversal of 225845453824 is 428354548522.

The square root of 225845453824 is 475232.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15199999 + ... + 15214849.

Almost surely, 2^225845453824 is an apocalyptic number.

225845453824 is the 475232-nd square number.

It is an amenable number.

225845453824 is a deficient number, since it is larger than the sum of its proper divisors (225655303667).

225845453824 is an frugal number, since it uses more digits than its factorization.

225845453824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29722 (or 14853 counting only the distinct ones).

The product of its digits is 12288000, while the sum is 52.

The spelling of 225845453824 in words is "two hundred twenty-five billion, eight hundred forty-five million, four hundred fifty-three thousand, eight hundred twenty-four".